2099373408 has 72 divisors (see below), whose sum is σ = 6512838696. Its totient is φ = 636172800.

The previous prime is 2099373383. The next prime is 2099373427. The reversal of 2099373408 is 8043739902.

It is a happy number.

2099373408 is a `hidden beast` number, since 209 + 9 + 37 + 3 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328173 + ... + 334508.

It is an arithmetic number, because the mean of its divisors is an integer number (90456093).

Almost surely, 2^2099373408 is an apocalyptic number.

It is an amenable number.

2099373408 is an abundant number, since it is smaller than the sum of its proper divisors (4413465288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099373408 is a wasteful number, since it uses less digits than its factorization.

2099373408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662708 (or 662697 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2099373408 is about 45818.9197602912. The cubic root of 2099373408 is about 1280.4517871336.

The spelling of 2099373408 in words is "two billion, ninety-nine million, three hundred seventy-three thousand, four hundred eight".